Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
chapter 15: Pregnancy, Childbirth and the Puerperium
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Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Coding of obstetric cases with O00-O9A codes: sequencing priority, trimester and fetus characters, principal diagnosis selection, delivery outcome, and pregnancy-related complications.
- General Rules for Obstetric Cases (page 63)
- Selection of OB Principal or First-listed Diagnosis (page 64)
- Pre-existing conditions versus conditions due to the pregnancy (page 65)
- Pre-existing hypertension in pregnancy (page 66)
- Fetal Conditions Affecting the Management of the Mother (page 66)
- HIV Infection in Pregnancy, Childbirth and the Puerperium (page 66)
- Diabetes mellitus in pregnancy (page 66)
- Long term use of insulin and oral hypoglycemics (page 67)
Codes under O30-O48
O30-O48 can't be used on a claim. Pick a billable code below; grey headings group them.
- O30Multiple gestation
- O31Complications specific to multiple gestation
- O32Maternal care for malpresentation of fetus
- O33Maternal care for disproportion
- O34Maternal care for abnormality of pelvic organs
- O35Maternal care for known or suspected fetal abnormality and damage
- O36Maternal care for other fetal problems
- O40Polyhydramnios
- O41Other disorders of amniotic fluid and membranes
- O42Premature rupture of membranes
- O43Placental disorders
- O44Placenta previa
- O45Premature separation of placenta [abruptio placentae]
- O46Antepartum hemorrhage, not elsewhere classified
- O47False labor
- O48Late pregnancy
O30-O48 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to O30-O48
Notes on these codes point to O30-O48.
- O20-O29 Excludes2: maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Twins, Triplets, Multiple Births
If you are pregnant with more than one baby, you are far from alone. Multiple births are up in the United States. More women are having babies after age 30 and more are taking fertility drugs. Both boost the chance of carrying more than one baby. A family history of twins also makes multiples more likely.
Read more about twins, triplets, multiple births on MedlinePlus